#include     <stdio.h>
void fun(char  *s, int  *t)
{  int i, n;
   n=0;
   for(i=0; s[i] !=0; i++)
      if(s[i]>='0'&&s[i]<= '9') n++;
    *t=n ;
}
main()
{  char  s[80]="abcdef35adgh3kjsdf7";
   int t;
   printf("\nThe original string is :  %s\n",s);
   fun(s,&t);
   printf("\nThe result is :  %d\n",t);
}